diff -Naur emersion-mrsh-d9763a3/libmrsh.serenity.sym emersion-mrsh-d9763a3.serenity/libmrsh.serenity.sym
--- emersion-mrsh-d9763a3/libmrsh.serenity.sym	1970-01-01 01:00:00.000000000 +0100
+++ emersion-mrsh-d9763a3.serenity/libmrsh.serenity.sym	2021-04-12 09:48:47.446767471 +0200
@@ -0,0 +1,7 @@
+{
+	global:
+		mrsh_*;
+		main;
+	local:
+		*;
+};
diff -Naur emersion-mrsh-d9763a3/configure emersion-mrsh-d9763a3.serenity/configure
--- emersion-mrsh-d9763a3/configure	2021-04-12 10:05:17.437801859 +0200
+++ emersion-mrsh-d9763a3.serenity/configure	2021-04-12 10:05:10.304338346 +0200
@@ -217,9 +217,11 @@
 fi
 
 printf "Checking for exported symbol restrictions... "
-if ! \
+if ! (\
 	test_ldflags -Wl,--version-script="libmrsh.gnu.sym" || \
+	test_ldflags -Wl,--version-script="libmrsh.serenity.sym" || \
 	test_ldflags -Wl,-exported_symbols_list,"libmrsh.darwin.sym"
+)
 then
 	echo no
 	echo "Unable to specify exported symbols (is $(uname) supported?)" >&2